Trying to decide between 23c or 25c tubeless tires on a new (bontrager rxl) tubeless wheelset. I currently run 25c tubed and love the lower pressure and cornering but with tubeless it seems that much of these positives can be achieved with 23c while also delivering a smoother tire to rim aerodynamic transition (rxl has a 23 outer rim diameter).

Any thoughts? Also if you run tubeless what tires and pressure do you prefer (along with your weight).

Hi I use both atoms and fusions in 23mm size and have no issues in rain, cornering, rough terrain, etc. I also use the Intensives in 25mm and don't feel a huge difference unless maybe the ground is cluttered with debris like after a storm.

I run them between maybe 88psi - 100psi and I weigh 170 lbs. 6'4" At low pressure they are nice and plush!

I have been running the "25mm" (yeah, more like 23) Intensives with 80/90 psi (f/r) on my H+ Son Archetype wheels. I weigh around 175lbs. I used to follow the psi recommendations, but this feels much better. I don't love these tires (would like better road grip/feel), but they wear well and so far haven't flatted on me.

I would definitely suggest running the 25mm tire for everyday riding. Especially when mated to a wider profile rim it provides a plush comfortable ride. I've been riding some 25mm Vittoria Rubino Pro Slicks mounted to some A23's for the last fee months and could not be happier with the ride feel and a total lack of flats (knock on wood). I've ridden them in all weather over gravel, chip and seal and pothole infested roads with no issues whatsoever.

One of the tire sets I have been running in my tubeless experiment is the Specialized Roubaix. That tire is unique in that it incorporates a 23mm tread on a 25mm casing, which is kind of 'best of both worlds'. So far, they seem quite good. I run 80ish/90ish front/rear.

Honestly, I took them for one ride, and put the bike up for a bit, since I was incredibly uncomfortable on it (not because of the tires). If the gov't shuts down tomorrow, I'll have plenty of time to take the wheels for a spin, and I'll update you.

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